diff --git a/wmake/scripts/wcleanBuild b/wmake/scripts/wcleanObjects
similarity index 94%
rename from wmake/scripts/wcleanBuild
rename to wmake/scripts/wcleanObjects
index b1651db0b1..a99871ca0a 100755
--- a/wmake/scripts/wcleanBuild
+++ b/wmake/scripts/wcleanObjects
@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2017 OpenCFD Ltd.
+#   \\  /    A nd           | Copyright (C) 2017-2018 OpenCFD Ltd.
 #    \\/     M anipulation  |
 #-------------------------------------------------------------------------------
 # License
@@ -11,14 +11,14 @@
 #     <http://www.gnu.org/licenses/>.
 #
 # Script
-#     wcleanBuild
+#     wcleanBuild, wcleanPlatform
 #
 # Usage
 #     wcleanBuild <option | platform> [.. <option | platform>]
 #
 # Description
 #     Deletes the specified 'build/' object files directories from the
-#     the project top-level 'build/' directory $WM_PROJECT_DIR.
+#     project top-level 'build/' directory $WM_PROJECT_DIR.
 #
 #     special platforms
 #     - 'all' removes all platforms.
@@ -57,7 +57,7 @@ Usage: ${0##*/} <option | platform> [.. <option | platform>]
 
 options:
   -a, -all              Same as 'all'
-  -c, -current          Use \$WM_OPTIONS ($WM_OPTIONS)
+  -curr, -current       Use \$WM_OPTIONS ($WM_OPTIONS)
   -comp, -compiler      Use \$WM_ARCH\$WM_COMPILER*  ($WM_ARCH$WM_COMPILER)
   -compiler=NAME        Use \$WM_ARCH<NAME>*  ($WM_ARCH<NAME>*)
   -h, -help             Print the usage
@@ -124,7 +124,7 @@ do
         echo
         break # Removed everything - can stop now
         ;;
-    -c | -current | current)
+    -curr | -current | current)
         name="$WM_OPTIONS"
         ;;
     -comp | -compiler | compiler)
diff --git a/wmake/wclean b/wmake/wclean
index 0a1e0bf696..e583ea7689 100755
--- a/wmake/wclean
+++ b/wmake/wclean
@@ -34,10 +34,8 @@
 #     lnInclude directories generated for libraries.
 #
 #------------------------------------------------------------------------------
-Script=${0##*/}     # Note: need 'Script' for some functions in wmakeFunctions
-
-# Source the wmake functions
-. ${0%/*}/scripts/wmakeFunctions
+Script=${0##*/}             # Use 'Script' for error messages in wmakeFunctions
+. ${0%/*}/scripts/wmakeFunctions        # Source wmake functions
 
 usage() {
     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
diff --git a/wmake/wcleanBuild b/wmake/wcleanBuild
index a0376ef976..b0d19ae4ee 120000
--- a/wmake/wcleanBuild
+++ b/wmake/wcleanBuild
@@ -1 +1 @@
-scripts/wcleanBuild
\ No newline at end of file
+scripts/wcleanObjects
\ No newline at end of file
diff --git a/wmake/wcleanPlatform b/wmake/wcleanPlatform
index a0376ef976..b0d19ae4ee 120000
--- a/wmake/wcleanPlatform
+++ b/wmake/wcleanPlatform
@@ -1 +1 @@
-scripts/wcleanBuild
\ No newline at end of file
+scripts/wcleanObjects
\ No newline at end of file
diff --git a/wmake/wdep b/wmake/wdep
index 346494d762..c9670d3b17 100755
--- a/wmake/wdep
+++ b/wmake/wdep
@@ -35,10 +35,8 @@
 #     the first occurrence.
 #
 #------------------------------------------------------------------------------
-Script=${0##*/}
-
-# Source the wmake functions
-. ${0%/*}/scripts/wmakeFunctions
+Script=${0##*/}             # Use 'Script' for error messages in wmakeFunctions
+. ${0%/*}/scripts/wmakeFunctions        # Source wmake functions
 
 usage() {
     exec 1>&2
@@ -92,7 +90,7 @@ sourceFile=$1
 
 if [ ! -e "$sourceFile" ]
 then
-    sourceFile=$(find . -name $sourceFile -print -quit)
+    sourceFile=$(find . -name "$sourceFile" -print -quit)
     if [ -z "$sourceFile" ]
     then
         echo "$Script: cannot find source file $1" 1>&2
diff --git a/wmake/wmake b/wmake/wmake
index 85054ecd54..c462e95824 100755
--- a/wmake/wmake
+++ b/wmake/wmake
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-#    \\/     M anipulation  | Copyright (C) 2017 OpenCFD Ltd.
+#    \\/     M anipulation  | Copyright (C) 2017-2018 OpenCFD Ltd.
 #-------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM.
@@ -53,10 +53,8 @@
 #     wclean, wcleanPlatform, wcleanLnIncludeAll
 #
 #------------------------------------------------------------------------------
-Script=${0##*/}     # Note: need 'Script' for some functions in wmakeFunctions
-
-# Source the wmake functions
-. ${0%/*}/scripts/wmakeFunctions
+Script=${0##*/}             # Use 'Script' for error messages in wmakeFunctions
+. ${0%/*}/scripts/wmakeFunctions        # Source wmake functions
 
 usage() {
     exec 1>&2
@@ -106,13 +104,11 @@ make="make"
 
 #------------------------------------------------------------------------------
 
-# Set nCores to the number of cores on the local machine
+# Set nCores to the number of cores on the machine
 nCores=0
 allCores()
 {
-    nCores=$(egrep -c "^processor" /proc/cpuinfo 2>/dev/null) || \
-    nCores=$(getconf _NPROCESSORS_ONLN 2>/dev/null) || \
-    nCores=1
+    nCores=$(getconf _NPROCESSORS_ONLN 2>/dev/null) || nCores=1
     : ${nCores:=1}
 }
 
@@ -132,7 +128,7 @@ do
             usage
             ;;
         -s | -silent)
-            export WM_QUIET=1
+            export WM_QUIET=true
             ;;
         -a | -all | all)
             all=all
@@ -146,10 +142,7 @@ do
             test $# -ge 2 && expr $2 + 1 > /dev/null 2>&1 \
                 && shift && nCores=$1
 
-            if [ "$nCores" = 0 ]
-            then
-                allCores
-            fi
+            [ "$nCores" = 0 ] && allCores
             export WM_NCOMPPROCS=$nCores
             echo "Compiling enabled on $WM_NCOMPPROCS cores"
             ;;
diff --git a/wmake/wmakeLnIncludeAll b/wmake/wmakeLnIncludeAll
index 369f2d10be..bfb4fe3d48 100755
--- a/wmake/wmakeLnIncludeAll
+++ b/wmake/wmakeLnIncludeAll
@@ -4,7 +4,7 @@
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
 #   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
-#    \\/     M anipulation  |
+#    \\/     M anipulation  | Copyright (C) 2018 OpenCFD Ltd.
 #-------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM.
@@ -79,10 +79,7 @@ do
             test $# -ge 2 && expr $2 + 1 > /dev/null 2>&1 \
                 && shift && nCores=$1
 
-            if [ "$nCores" = 0 ]
-            then
-                nCores=1
-            fi
+            [ "$nCores" = 0 ] && nCores=1
             ;;
         # Parallel compilation on specified number of cores
         -j[1-9]*)
diff --git a/wmake/wmakePrintBuild b/wmake/wmakePrintBuild
index 4e727a7438..c6b21dbaab 100755
--- a/wmake/wmakePrintBuild
+++ b/wmake/wmakePrintBuild
@@ -17,14 +17,12 @@
 #     Print the version used when building the project
 #
 #------------------------------------------------------------------------------
-Script=${0##*/}
-
 usage() {
     exec 1>&2
 
     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
     cat<<USAGE
-Usage: $Script [OPTION]
+Usage: ${0##*/} [OPTION]
 options:
   -check          check the git head commit vs. \$WM_PROJECT_DIR/.build
                   (exit code 0 for no changes)
diff --git a/wmake/wrmdep b/wmake/wrmdep
index 119aecc86d..692f20fd0d 100755
--- a/wmake/wrmdep
+++ b/wmake/wrmdep
@@ -52,10 +52,8 @@
 #         $WM_PROJECT_DIR.
 #
 #------------------------------------------------------------------------------
-Script=${0##*/}     # Note: need 'Script' for some functions in wmakeFunctions
-
-# Source the wmake functions
-. ${0%/*}/scripts/wmakeFunctions
+Script=${0##*/}             # Use 'Script' for error messages in wmakeFunctions
+. ${0%/*}/scripts/wmakeFunctions        # Source wmake functions
 
 usage() {
     exec 1>&2
diff --git a/wmake/wrmo b/wmake/wrmo
index 517cdee925..71d2b4ca71 100755
--- a/wmake/wrmo
+++ b/wmake/wrmo
@@ -35,10 +35,8 @@
 #     are removed for all platforms rather than just the current platform.
 #
 #------------------------------------------------------------------------------
-Script=${0##*/}     # Note: need 'Script' for some functions in wmakeFunctions
-
-# Source the wmake functions
-. ${0%/*}/scripts/wmakeFunctions
+Script=${0##*/}             # Use 'Script' for error messages in wmakeFunctions
+. ${0%/*}/scripts/wmakeFunctions        # Source wmake functions
 
 usage() {
     exec 1>&2